Inhibrx Biosciences, Inc.
INBXAs of the close on Sep 25, 2026
Price
$99.61
Market cap
$1.47B
P/E (diluted TTM)
—
Not meaningful: the last four quarters were a loss
EPS (TTM)
−$8.88
Four quarters to Jun 30, 2026
Dividend yield
—
Dividend records do not yet cover the latest payments
Figures shown here come from public SEC filings. Dates beside each section show the available history.
How Inhibrx Biosciences, Inc. Makes Money
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From revenue to net income
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Source: Inhibrx Biosciences, Inc. — 10-K filed Mar 19, 2026
Financial Summary
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SEC filings supply these figures; updates after the dates shown are not included. This page includes 3 annual periods. The latest annual period ends Dec 31, 2025. The latest insider filing shown is dated Jun 4, 2026.
Ownership
Who holds the shares, as reported in SEC ownership filings.
Unusually large insider trades
Each trade is compared with the other insider trades of the same kind in the same security among Inhibrx Biosciences, Inc.'s recent filings on file. Size alone is context, not a prediction or evidence of improper trading.
- 2024-06-04 · Kayyem Jon Faiz: Larger than 24 of the 26 other insider purchases of Common Stock on file. SEC filing
- 2024-06-03 · Kayyem Jon Faiz: Larger than all 26 other insider purchases of Common Stock on file. SEC filing
- 2024-05-31 · Kayyem Jon Faiz: Larger than 25 of the 26 other insider purchases of Common Stock on file. SEC filing
Independent insiders buying near the same time
- 2024-09-09–2024-09-16: 6 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing , filing , filing , filing )
- 2024-09-06–2024-09-12: 6 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing , filing , filing , filing )
- 2024-09-03–2024-09-10: 6 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing , filing , filing , filing )
- 2024-08-28–2024-09-03: 6 event(s) across 3 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing , filing , filing , filing )
- 2024-08-23–2024-08-30: 5 event(s) across 4 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing , filing , filing )
- 2024-08-22–2024-08-29: 5 event(s) across 4 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing , filing , filing )
- 2024-08-21–2024-08-28: 4 event(s) across 3 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing , filing )
- 2024-08-20–2024-08-23: 4 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing , filing )
Purchases & sales (open market or private)
| Security | Code | Price | Filing | |||
|---|---|---|---|---|---|---|
| 2025-10-07 | VIKING GLOBAL INVESTORS LP · 10% owner | Common Stock | S — Open market or private sale | −16,315 | 32.25 | SEC filing |
| 2025-10-07 | VIKING GLOBAL INVESTORS LP · 10% owner | Common Stock | S — Open market or private sale | −308,643 | 32.25 | SEC filing |
| 2025-10-07 | VIKING GLOBAL INVESTORS LP · 10% owner | Common Stock | S — Open market or private sale | −25,042 | 32.25 | SEC filing |
| 2024-11-20 | Kayyem Jon Faiz · Director | Common Stock | P — Open market or private purchase | +18,750 | 14.19 | SEC filing |
| 2024-11-19 | Kayyem Jon Faiz · Director | Common Stock | P — Open market or private purchase | +34,843 | 14.23 | SEC filing |
| 2024-10-03 | Vuori Kristiina MD · Director | Common Stock | P — Open market or private purchase | +6,667 | 15.00 | SEC filing |
| 2024-09-16 | Lappe Mark · Chief Executive Officer | Common Stock | P — Open market or private purchase | +13,037 | 17.13 | SEC filing |
| 2024-09-12 | Lappe Mark · Chief Executive Officer | Common Stock | P — Open market or private purchase | +26,963 | 15.05 | SEC filing |
Showing 8 of 13 rows
Grants, exercises, tax & gifts
| Security | Code | Filing | |||
|---|---|---|---|---|---|
| 2026-06-03 | FORSYTH DOUGLAS · Director | Stock Option (right to buy) | A — Grant, award, or other acquisition | +15,000 | SEC filing |
| 2026-06-03 | MANHARD KIMBERLY · Director | Stock Option (right to buy) | A — Grant, award, or other acquisition | +15,000 | SEC filing |
| 2026-06-03 | Vuori Kristiina MD · Director | Stock Option (right to buy) | A — Grant, award, or other acquisition | +15,000 | SEC filing |
| 2026-06-03 | Kayyem Jon Faiz · Director | Stock Option (right to buy) | A — Grant, award, or other acquisition | +15,000 | SEC filing |
| 2026-04-24 | Matly David · President | Stock Option (right to buy) | A — Grant, award, or other acquisition | +50,000 | SEC filing |
| 2025-05-28 | Kayyem Jon Faiz · Director | Stock Option (right to buy) | A — Grant, award, or other acquisition | +15,000 | SEC filing |
| 2025-05-28 | Vuori Kristiina MD · Director | Stock Option (right to buy) | A — Grant, award, or other acquisition | +15,000 | SEC filing |
| 2025-05-28 | FORSYTH DOUGLAS · Director | Stock Option (right to buy) | A — Grant, award, or other acquisition | +15,000 | SEC filing |
Showing 8 of 16 rows
Other activity
| Security | Code | Filing | |||
|---|---|---|---|---|---|
| 2024-05-29 | Inhibrx, Inc. · 10% owner | Common Stock, par value $0.0001 per share | J — Other acquisition or disposition | −13,316,140 | SEC filing |
Showing 1 of 1 rows
These tables describe filed transactions, not current holdings. Prices are shown as filed; a currency is added only when the filing's data names one. Amended and possible duplicate rows are left out of size comparisons and transaction groups.